from flask  import Flask,render_template

app = Flask(__name__)
app.config.update({
    'DEBUG': True,
    'TEMPLATES_AUTO_RELOAD': True
})

@app.route('/')
def index():
    context = {
       'username':'Jacky',
       'age': 18,
    }
    return  render_template('index.html',**context)



if __name__ == "__main__":
    app.run()